<h2>Full example</h2>
<pre><code>$TTL 3d
@ IN SOA root.localhost. root.sneaky.net. (
    2015050503 ; serial
    12h        ; refresh
    15m        ; retry
    3w         ; expire
    3h         ; negative response TTL
  )
  IN NS root.localhost.
  IN NS localhost. ; secondary name server is preferably externally maintained

www IN A 3.141.59.26
ww1 IN CNAME www</code></pre>
